Vertical sintering waste heat driving water vapor and organic Rankine cycle series system

A technology of Rankine cycle and series system, which is applied to steam engine devices, machines/engines, mechanical equipment, etc., and can solve problems such as large flow

Pending Publication Date: 2019-04-19
浙能资本控股有限公司
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Problems solved by technology

[0003] The average temperature of the flue gas from the sintering machine generally does not exceed 150°C, but the flow rate is large; the temperature of the flue gas discharged from the wind box at the tail of the sintering machine is 300−400°C, and the maximum temperature can reach 450°C; the temperature of the hot exhaust gas from the sintering cooling device varies with the cooling position. Different, changing between 70−520°C, the existing technology only recycles the hot exhaust gas above 250°C

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  • Vertical sintering waste heat driving water vapor and organic Rankine cycle series system

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[0021] For a better understanding of the application, various aspects of the application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are descriptions of exemplary embodiments of the application only, and are not intended to limit the scope of the application in any way. Throughout the specification, the same reference numerals refer to the same elements.

[0022] In the drawings, the thickness, size and shape of objects have been slightly exaggerated for convenience of illustration. The drawings are merely examples and are not strictly drawn to scale.

[0023] It should also be understood that the terms "comprising", "comprising", "having", "comprising", "comprising", when used in this specification, mean that there are described features, integers, steps, operations, elements and / or or components, but does not exclude the presence or addition of one or more other features, integers, s...

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Abstract

The invention discloses a vertical sintering waste heat driving water vapor and organic Rankine cycle series system. According to the system, based on the situation that low-temperature waste heat resources of the vertical spiral countercurrent waste heat recovery after steam Rankine cycle power generation cannot be used for power generation, an organic Rankine cycle power generation system is introduced, the low-temperature waste gas, after the steam Rankine cycle power generation, of a sinter vertical (spiral) countercurrent cooling device is used for the organic Rankine cycle power generation system; and the waste heat resources of sintering flue gas are combined with the low-temperature waste gas, after the steam Rankine cycle power generation, of the sinter vertical spiral countercurrent cooling device, and are used for the organic Rankine cycle power generation system. According to the system, the waste heat resources in the sintering process are maximally applied to power generation, the self-power supply of an iron and steel enterprise is increased, energy conservation and consumption reduction of the sintering process are achieved, and the economic benefits of the iron andsteel enterprise are improved.

Description

technical field [0001] The invention relates to high-temperature granule waste heat recovery power generation equipment and the technical field, and more precisely relates to a vertical sintering waste heat-driven steam and organic Rankine cycle series system. Background technique [0002] The efficient recovery and conversion of waste heat and pressure resources in the iron and steel industry is one of the main directions for enterprises to save energy and reduce consumption. For the sintering process, which ranks second or third in energy consumption in the iron and steel industry, the sintering waste heat mainly consists of two parts: the sensible heat of sintering at the tail of the sintering machine, with a temperature of 800−950°C, accounting for 44.5% of the energy consumption of the sintering process; The sensible heat of flue gas discharged from the sintering machine has an average temperature of 150−200°C, accounting for 23.6% of the energy consumption of the sinte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K27/00F01K25/08F01K11/02F01D15/10
CPCF01D15/10F01K11/02F01K25/08F01K27/00Y02P80/15
Inventor 陈琦裘索沈澜袁尚南王剑
Owner 浙能资本控股有限公司
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